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Finding the Fourth Proportional to 8,699.06, 13,050.75 and 2,543.06

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Solution

The fourth proportional to 8,699.06, 13,050.75 and 2,543.06 is: 3,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.06 : 13,050.75 = 2,543.06 : x
  2. Step 2: Convert to fraction form
    8,699.06/13,050.75 = 2,543.06/x
  3. Step 3: Cross multiply
    8,699.06x = 13,050.75 × 2,543.06
  4. Step 4: Simplify right side
    8,699.06x = 33,188,882.46
  5. Step 5: Solve for x
    x = 33,188,882.46/8,699.06
  6. Step 6: Final answer
    x = 3,815.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.